US20110306240A1 - High speed modular jack - Google Patents
High speed modular jack Download PDFInfo
- Publication number
- US20110306240A1 US20110306240A1 US13/160,557 US201113160557A US2011306240A1 US 20110306240 A1 US20110306240 A1 US 20110306240A1 US 201113160557 A US201113160557 A US 201113160557A US 2011306240 A1 US2011306240 A1 US 2011306240A1
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- United States
- Prior art keywords
- pcb
- horizontal
- modular jack
- vertical
- electrically connecting
- Prior art date
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
- H01R24/60—Contacts spaced along planar side wall transverse to longitudinal axis of engagement
- H01R24/62—Sliding engagements with one side only, e.g. modular jack coupling devices
- H01R24/64—Sliding engagements with one side only, e.g. modular jack coupling devices for high frequency, e.g. RJ 45
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/71—Coupling devices for rigid printing circuits or like structures
- H01R12/72—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures
- H01R12/722—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures coupling devices mounted on the edge of the printed circuits
- H01R12/724—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures coupling devices mounted on the edge of the printed circuits containing contact members forming a right angle
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/514—Bases; Cases composed as a modular blocks or assembly, i.e. composed of co-operating parts provided with contact members or holding contact members between them
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/646—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00 specially adapted for high-frequency, e.g. structures providing an impedance match or phase match
- H01R13/6461—Means for preventing cross-talk
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
- H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
- H01R13/6581—Shield structure
- H01R13/659—Shield structure with plural ports for distinct connectors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
- H01R13/6658—Structural association with built-in electrical component with built-in electronic circuit on printed circuit board
Definitions
- the assembly includes the housing, a plurality of jack modules, a plurality of LEDs, and a plurality of LED modules.
- the jack module 10 includes an outer insulating housing holding a jack subassembly.
- the jack subassembly comprises an upper jack portion, an intermediate shield, and a lower jack portion, a lower housing portion, two vertical component boards, and a vertical shield member disposed between the two vertical component boards.
- U.S. Pat. No. 6,659,807 issued to Zheng et al. on Dec. 9, 2003, discloses another multiport modular jack.
- the modular jack has an insulating housing and a plurality of jack subassemblies.
- Each jack subassembly has a base member, a first and second horizontal printed circuit boards (PCB), a pair of insert portions mounted on corresponding PCBs, and a plurality of terminals insert molded in the insert portions.
- One of the insert portions has a plurality of first positioning posts and first mounting holes
- the other insert portion has a plurality of second positioning posts and mounting holes second stably engaging with the first mounting holes and the first positioning posts.
- the modular jack comprises an outer housing and a plurality of modular jack subassemblies.
- the modular jack subassemblies are comprised of an elongate beam support having a plurality of modular jack contacts on both sides thereof. The contacts extend into printed circuit board contacts and extend to and beyond the side edges of the elongate beam support, leaving the space above and below the printed circuit board contacts and the beam support free, to accommodate signal conditioning component.
- Two printed circuit board modules are mounted orthogonally to the side edges of the beam support and include signal conditioning components.
- a vertical shield plate is interposed between two adjacent subassemblies.
- Such multi-port connectors are used for networks and operated at high rates of one gigabyte and higher so that excellent conditioning of the signals to be transferred is required. Shielding is therefore normally necessary in order for example to provide a so-called Common Mode Rejection (CMR) and to guarantee a specified electromagnetic compatibility (EMC) and/or resistance to electromagnetic disturbance.
- CMR Common Mode Rejection
- EMC electromagnetic compatibility
- An object of the invention consequently consists of providing a new and substantially improved modular jack connector structure with respect to the prior art and particularly for use in the case of Ethernet networks so as to provide a modular jack connector with complete shielding between any two adjacent ports and required signals conditioning.
- a modular jack connector is therefore provided adapted to be mounted onto a horizontal mother PCB.
- the modular jack comprises a housing defining an upper port and a lower port vertically stacked under the upper port, and a contact module assembled to the housing.
- the contact module further comprises an upper row of mating contacts extending into the upper port for mating with a module plug inserted therein, a horizontal upper PCB bearing the upper row of contacts, a vertical right PCB electrically connecting the upper PCB, a plurality of right transferring contacts electrically connecting the right PCB to the horizontal mother PCB, a lower row of mating contacts extending into the lower port for mating with another module plug inserted therein, a horizontal lower PCB bearing the lower row of contacts, a vertical left PCB electrically connecting the lower PCB, a plurality of left transferring contacts electrically connecting the left PCB to the horizontal mother PCB.
- another modular jack connector is therefore provided to be mounted onto a horizontal mother PCB.
- the modular jack comprises a housing defining an upper port and a lower port vertically stacked under the upper port; and a contact module assembled to the housing.
- the contact module further comprises an upper row of mating contacts extending into the upper port for mating with a module plug inserted therein, a vertical right PCB electrically connecting the upper mating contacts, a plurality of right transferring contacts for electrically connecting the right PCB to the horizontal mother PCB, a lower row of mating contacts extending into the lower port for mating with another module plug inserted therein, a vertical left PCB electrically connecting the lower mating contacts, a plurality of left transferring contacts for electrically connecting the left PCB to the horizontal mother PCB, a left plastic body supporting the left PCB, a right plastic body supporting the right PCB, and a vertical shield plate sandwiched between the left plastic body and the right plastic body.
- FIG. 1 is a perspective view of a stacked modular jack according to the present invention, mounted on a horizontal mother PCB;
- FIG. 2 is a partly exploded view of the modular jack shown in FIG. 1 ;
- FIG. 3 is another partly exploded view of the modular jack shown in FIG. 1 ;
- FIG. 4 is a partly exploded view of the contact module shown in FIG. 2 ;
- FIG. 6 is a partly exploded view of the mating contact module shown in FIG. 4 ;
- FIG. 7 is a side view of the contact module shown in FIG. 4 , with part of components removed therefrom;
- FIG. 8 is still another partly exploded view of the contact module shown in FIG. 2 ;
- FIG. 9 is a perspective view of the housing shown in FIG. 2 ;
- FIG. 10 is a scaled view of a circled portion shown in FIG. 9 ;
- FIG. 11 is a scaled view of a circled portion shown in FIG. 2 ;
- FIG. 12 is a back view of two contact modules and a shield module shown in FIG. 2 , with each aligned separated position in a horizontal direction;
- FIG. 13 is a perspective view of the shield module shown in FIG. 12 ;
- FIG. 14 is a cross-section view of the modular jack shown in FIG. 1 , with the outer shell and the gasket removed.
- FIG. 1 a perspective view of a 2 ⁇ 4-port modular jack 100 is shown.
- the modular jack 100 is used to be mounted on a horizontal printed circuit board 120 (horizontal mother PCB).
- the modular jack 100 has an upper row of ports 204 and a lower row of ports 204 , each of which is used to receive a modular plug (not shown) with a high speed of 10 Gigbit/second.
- the modular jack 100 is covered with an outer metal shell including a front outer shell 126 and a rear outer shell 128 .
- the front outer shell 126 is equipped with a bracket board 124 and a gasket 122 of a conductive rubber supported by the bracket board 124 .
- the gasket 122 surrounds the front end of modular jack 100 .
- the gasket 122 is pressed between the bracket board 124 and the panel.
- the modular jack 100 further comprises a insulating housing 200 , four contact modules 400 , and three shield modules 54 . It is preferred that two of the contact modules 400 are assembled into a contact subassembly with a bottom printed circuit board 401 .
- Each contact module 400 comprises a center bracket 500 , a transferring module 52 , a left printed circuit board 46 , a right printed circuit board 47 , and a mating module 41 .
- the mating module 41 comprises an upper set of mating contacts 42 , a lower set of mating contacts 44 , an upper PCB 43 bearing the upper set of mating contacts 42 , a lower PCB 45 bearing the lower set of mating contacts 44 , a front plastic body 415 bearing the upper PCB 43 and the lower PCB 45 , and a horizontal shield plate 418 forwardly inserted into a slot defined in the front plastic body 415 between the upper PCB 43 and the lower PCB 45 .
- the upper PCB 43 and the lower PCB 45 are designed with circuits for balancing crosstalk between signal channels in the same port.
- the front plastic body 415 is unitarily injection molded with a horizontal board 410 .
- the horizontal board 410 has opposite top face and bottom face.
- the front plastic body 415 forms two upper guide slots 414 laterally opening face to face and an upper post 412 on the top face, and two lower guide slots 414 laterally opening face to face and a lower post 412 on the bottom face.
- the center bracket 500 includes a vertical shield plate 50 , a left plastic body 48 and a right plastic body 49 sandwich the vertical shield plate 50 .
- the left plastic body 48 has three fastening posts 486 and the right plastic body 49 and the vertical shield plate 50 define three holes 503 for holding the fastening posts 486 .
- the vertical shield plate 50 forms a pair of spring arms 502 extending forwardly. The spring arms 502 clip the horizontal shield plate 418 .
- the vertical shield plate 50 further forms a plurality of grounding tails 504 for connecting the horizontal mother PCB 120 , a left arm 506 connecting the left PCB 46 and a right arm 506 connecting the right PCB 47 .
- the vertical shield plate 50 forms a pair of project tips 509 extending rearward through the rear outer shell 128 and then are riveted oppositely laterally for fixing the rear outer shell 128 .
- the center bracket 500 has a front slot 560 receiving the mating module 41 therein.
- the front slot 560 has a pair of side walls (not labeled).
- the side walls have protrusions 485 , 495 in front of the left PCB 46 and the right PCB 47 .
- the protrusions 485 , 495 mate with the mating module 41 .
- the vertical shield plate 50 has a marginal edge being scaled as possible so that the crosstalk is better shielded between the upper ports 204 and the lower ports 204 .
- the marginal edge extends beyond the marginal edges of the left PCB 46 and the right PCB 47 in all directions.
- the vertical shield plate 50 has an upper edge 501 extending along upwardly beyond a top face of the contact module 400 and reaching the outer shell 126 , 128 .
- the housing 200 defines a top slot 201 to receive the upper edge 501 of the vertical shield plate 50 .
- the left PCB 46 and the right PCB 47 sandwich opposite sides of the center bracket 500 .
- the left PCB 46 and the right PCB 47 have interior faces facing to each other and a plurality of electronic components mounted thereon.
- the left plastic body 48 defines cavities receiving the electronic components on the left PCB 46 .
- the left PCB 46 defines a lower slot 464 opening forwardly and receiving a left edge 451 of the lower PCB 45 .
- a plurality of conductive pads 453 are disposed on opposite surface of the lower PCB 45 and lined along the left edge 451 .
- a corresponding number of conductive pads 466 are disposed along opposite sides of the lower slot 464 on an exterior face of the left PCB 46 .
- a number of connecting conductors 468 electrically connect the conductive pads 453 of the lower PCB 45 to the conductive pads 466 of the left PCB 46 .
- the right plastic body 49 defines cavities receiving the electronic components on the right PCB 47 .
- the right PCB 47 defines an upper slot 474 opening forwardly and receiving a right edge 431 of the upper PCB 43 .
- a plurality of conductive pads 433 are disposed on opposite surface of the lower PCB 43 and lined along the left edge 431 .
- a corresponding number of conductive pads 476 are disposed along opposite sides of the upper slot 474 on an exterior face of the right PCB 47 .
- a number of connecting conductors 478 electrically connect the conductive pads 433 of the upper PCB 43 to the conductive pads 476 of the right PCB 47 .
- the upper PCB 45 and the left PCB 46 are redesigned to be electrically connected, and the lower PCB 43 and the right PCB 47 are redesigned to be electrically connected.
- the transferring module 52 comprises a plurality of left transferring contacts 522 electrically connecting the left PCB 46 to the horizontal mother PCB 120 , a plurality of right transferring contacts 524 electrically connecting the right PCB 47 to the horizontal mother PCB 120 , and a bottom plastic body 520 fixing the left transferring contacts 522 and the right transferring contacts 524 .
- the bottom plastic body 520 defines a slot 526 between the left transferring contacts 522 and the right transferring contacts 524 .
- the shield plate 50 extends downwardly through the slot 526 and the ground tails 504 continue extending there from.
- the insulating housing 200 defines 2 ⁇ 4 cavities 204 to form the 2 ⁇ 4 ports of the modular jack 100 .
- the upper row of cavities 204 and the lower row of cavities 204 are separated by a horizontal wall 202 . Any adjacent two columns ports are separated by a vertical wall 203 .
- the insulating housing 200 forms eight slots 206 behind each of the cavities 204 .
- the mating contacts 42 , 44 are fixed to the horizontal wall 202 .
- Each of the mating contacts 42 , 44 comprises a contacting arm 420 and a tapered free end 421 .
- the free ends 421 are received in respective slots 206 .
- the mating contacts 42 , 44 are formed and punched from a sheet material.
- Each of the mating contacts 42 , 44 has two smooth surfaces 423 and two punched surfaces 424 .
- Each of the mating contacts 42 , 44 forms two round front corners 425 connecting a front smooth surface 423 and two punched surfaces 424 , so that when the contact module 400 are inserted into the insulating housing 200 , scratch to the housing 200 and the chance of damage to the mating contacts 42 , 44 is greatly decreased.
- each of the three shield modules 54 is disposed between two adjacent contact modules 400 .
- the shield module 54 comprises a vertical shield 548 and a plastic body 55 over molding the vertical shield 548 .
- the vertical shield 548 extends forwardly beyond the upper mating contacts 43 and the lower mating contacts 45 , so that a more complete electrical shielding is formed between adjacent contact modules 400 .
- the vertical shield 548 forms a plurality of ground tails 546 for electrically connecting the horizontal mother PCB 120 .
- the plastic body 55 defines a left slot 552 and a right slot 553 extending along a front-to-rear direction on opposite side.
- the left slot 552 mates a rib (not shown) of the housing and receives the right edge 431 of the upper PCB 43 .
- the right slot 553 mates a rib 207 of the housing and receives the left edge 451 of the lower PCB 45 .
- the shield plate 548 is bent according to the shape of the left slot 552 and the right slot 553 , so that the plastic body 55 could be easier for injection molding.
- the plastic body 55 further forms two ribs 556 extending along the front-to-rear direction and oppositely protruding below the contact modules 400 , which helps to fix the contact modules 400 and provide a press force when the modular jack 100 is mounted onto the PCB 120 .
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
A modular jack (100) comprising a housing (200) defining an upper port and a lower port vertically stacked under the upper port, and a contact module (400) assembled to the housing. The contact module further comprises an upper row of mating contacts (42) extending into the upper port for mating with a module plug inserted therein, a horizontal upper PCB (43) bearing the upper row of contacts, a vertical right PCB (47) electrically connecting the upper PCB, a number of right transferring contacts (524) electrically connecting the right PCB, a lower row of mating contacts (44) extending into the lower port for mating with another module plug inserted therein, a horizontal lower PCB (45) bearing the lower row of contacts, a vertical left PCB (46) electrically connecting the lower PCB, a number of left transferring contacts (522) electrically connecting the left PCB.
Description
- This application is one of three patent applications having a same title of “HIGH SPEED MODULAR JACK” and being filed on a same date.
- The present invention relates to modular jack, and particularly, to a high speed modular jack having stacked mating ports.
- U.S. Pat. No. 6,655,988, issued to Simmons et al. on Dec. 2, 2003, discloses a stacked jack modular jack assembly having a multi-port housing. The assembly includes the housing, a plurality of jack modules, a plurality of LEDs, and a plurality of LED modules. The jack module 10 includes an outer insulating housing holding a jack subassembly. The jack subassembly comprises an upper jack portion, an intermediate shield, and a lower jack portion, a lower housing portion, two vertical component boards, and a vertical shield member disposed between the two vertical component boards.
- U.S. Pat. No. 6,659,807, issued to Zheng et al. on Dec. 9, 2003, discloses another multiport modular jack. The modular jack has an insulating housing and a plurality of jack subassemblies. Each jack subassembly has a base member, a first and second horizontal printed circuit boards (PCB), a pair of insert portions mounted on corresponding PCBs, and a plurality of terminals insert molded in the insert portions. One of the insert portions has a plurality of first positioning posts and first mounting holes, the other insert portion has a plurality of second positioning posts and mounting holes second stably engaging with the first mounting holes and the first positioning posts.
- U.S. Pat. No. 6,511,348, issued to Wojtacki et al. on Jan. 28, 2003, discloses another multiport modular jack. The modular jack comprises an outer housing and a plurality of modular jack subassemblies. The modular jack subassemblies are comprised of an elongate beam support having a plurality of modular jack contacts on both sides thereof. The contacts extend into printed circuit board contacts and extend to and beyond the side edges of the elongate beam support, leaving the space above and below the printed circuit board contacts and the beam support free, to accommodate signal conditioning component. Two printed circuit board modules are mounted orthogonally to the side edges of the beam support and include signal conditioning components. A vertical shield plate is interposed between two adjacent subassemblies.
- Such multi-port connectors are used for networks and operated at high rates of one gigabyte and higher so that excellent conditioning of the signals to be transferred is required. Shielding is therefore normally necessary in order for example to provide a so-called Common Mode Rejection (CMR) and to guarantee a specified electromagnetic compatibility (EMC) and/or resistance to electromagnetic disturbance. For the purpose of conditioning the signals it is therefore further necessary to incorporate within the arrangement corresponding components such as particularly magnet coils but also capacitive components in order to correspondingly condition the signals.
- An object of the invention consequently consists of providing a new and substantially improved modular jack connector structure with respect to the prior art and particularly for use in the case of Ethernet networks so as to provide a modular jack connector with complete shielding between any two adjacent ports and required signals conditioning.
- In accordance with the invention, a modular jack connector is therefore provided adapted to be mounted onto a horizontal mother PCB. The modular jack comprises a housing defining an upper port and a lower port vertically stacked under the upper port, and a contact module assembled to the housing. The contact module further comprises an upper row of mating contacts extending into the upper port for mating with a module plug inserted therein, a horizontal upper PCB bearing the upper row of contacts, a vertical right PCB electrically connecting the upper PCB, a plurality of right transferring contacts electrically connecting the right PCB to the horizontal mother PCB, a lower row of mating contacts extending into the lower port for mating with another module plug inserted therein, a horizontal lower PCB bearing the lower row of contacts, a vertical left PCB electrically connecting the lower PCB, a plurality of left transferring contacts electrically connecting the left PCB to the horizontal mother PCB.
- In accordance with the invention, another modular jack connector is therefore provided to be mounted onto a horizontal mother PCB. The modular jack comprises a housing defining an upper port and a lower port vertically stacked under the upper port; and a contact module assembled to the housing. The contact module further comprises an upper row of mating contacts extending into the upper port for mating with a module plug inserted therein, a vertical right PCB electrically connecting the upper mating contacts, a plurality of right transferring contacts for electrically connecting the right PCB to the horizontal mother PCB, a lower row of mating contacts extending into the lower port for mating with another module plug inserted therein, a vertical left PCB electrically connecting the lower mating contacts, a plurality of left transferring contacts for electrically connecting the left PCB to the horizontal mother PCB, a left plastic body supporting the left PCB, a right plastic body supporting the right PCB, and a vertical shield plate sandwiched between the left plastic body and the right plastic body.
- Other objects, advantages and novel features of the invention will become more apparent from the following detailed description of a preferred embodiment when taken in conjunction with the accompanying drawings.
- For a more complete understanding of the present invention, and the advantages thereof, reference is now made to the following descriptions taken in conjunction with the accompanying drawings, in which:
-
FIG. 1 is a perspective view of a stacked modular jack according to the present invention, mounted on a horizontal mother PCB; -
FIG. 2 is a partly exploded view of the modular jack shown inFIG. 1 ; -
FIG. 3 is another partly exploded view of the modular jack shown inFIG. 1 ; -
FIG. 4 is a partly exploded view of the contact module shown inFIG. 2 ; -
FIG. 5 is another partly exploded view of the contact module shown inFIG. 2 ; -
FIG. 6 is a partly exploded view of the mating contact module shown inFIG. 4 ; -
FIG. 7 is a side view of the contact module shown inFIG. 4 , with part of components removed therefrom; -
FIG. 8 is still another partly exploded view of the contact module shown inFIG. 2 ; -
FIG. 9 is a perspective view of the housing shown inFIG. 2 ; -
FIG. 10 is a scaled view of a circled portion shown inFIG. 9 ; -
FIG. 11 is a scaled view of a circled portion shown inFIG. 2 ; -
FIG. 12 is a back view of two contact modules and a shield module shown inFIG. 2 , with each aligned separated position in a horizontal direction; -
FIG. 13 is a perspective view of the shield module shown inFIG. 12 ; and -
FIG. 14 is a cross-section view of the modular jack shown inFIG. 1 , with the outer shell and the gasket removed. - Reference will now be made to the drawing figures to describe the present invention in detail.
- Referring to
FIG. 1 , a perspective view of a 2×4-portmodular jack 100 is shown. Themodular jack 100 is used to be mounted on a horizontal printed circuit board 120 (horizontal mother PCB). Themodular jack 100 has an upper row ofports 204 and a lower row ofports 204, each of which is used to receive a modular plug (not shown) with a high speed of 10 Gigbit/second. Themodular jack 100 is covered with an outer metal shell including a frontouter shell 126 and a rearouter shell 128. The frontouter shell 126 is equipped with abracket board 124 and agasket 122 of a conductive rubber supported by thebracket board 124. Thegasket 122 surrounds the front end ofmodular jack 100. When themodular jack 100 is mounted into a panel (not shown), thegasket 122 is pressed between thebracket board 124 and the panel. - Referring to
FIGS. 2-4 , themodular jack 100 further comprises ainsulating housing 200, fourcontact modules 400, and threeshield modules 54. It is preferred that two of thecontact modules 400 are assembled into a contact subassembly with a bottom printedcircuit board 401. Eachcontact module 400 comprises acenter bracket 500, atransferring module 52, a leftprinted circuit board 46, a right printedcircuit board 47, and amating module 41. - Referring to
FIGS. 4-6 , themating module 41 comprises an upper set ofmating contacts 42, a lower set ofmating contacts 44, anupper PCB 43 bearing the upper set ofmating contacts 42, alower PCB 45 bearing the lower set ofmating contacts 44, a frontplastic body 415 bearing theupper PCB 43 and thelower PCB 45, and ahorizontal shield plate 418 forwardly inserted into a slot defined in the frontplastic body 415 between theupper PCB 43 and thelower PCB 45. Theupper PCB 43 and thelower PCB 45 are designed with circuits for balancing crosstalk between signal channels in the same port. - The front
plastic body 415 is unitarily injection molded with ahorizontal board 410. Thehorizontal board 410 has opposite top face and bottom face. The frontplastic body 415 forms twoupper guide slots 414 laterally opening face to face and anupper post 412 on the top face, and twolower guide slots 414 laterally opening face to face and alower post 412 on the bottom face. When the upper and thelower circuit boards plastic body 415, thecircuit board guide slots 414 and then positioned by thepost 412. - Referring to
FIGS. 4-5 and 7-8, thecenter bracket 500 includes avertical shield plate 50, a leftplastic body 48 and a rightplastic body 49 sandwich thevertical shield plate 50. The leftplastic body 48 has threefastening posts 486 and the rightplastic body 49 and thevertical shield plate 50 define threeholes 503 for holding the fastening posts 486. Thevertical shield plate 50 forms a pair ofspring arms 502 extending forwardly. Thespring arms 502 clip thehorizontal shield plate 418. Thevertical shield plate 50 further forms a plurality of groundingtails 504 for connecting thehorizontal mother PCB 120, aleft arm 506 connecting theleft PCB 46 and aright arm 506 connecting theright PCB 47. Thevertical shield plate 50 forms a pair ofproject tips 509 extending rearward through the rearouter shell 128 and then are riveted oppositely laterally for fixing the rearouter shell 128. Thecenter bracket 500 has afront slot 560 receiving themating module 41 therein. Thefront slot 560 has a pair of side walls (not labeled). The side walls haveprotrusions left PCB 46 and theright PCB 47. Theprotrusions mating module 41. - The
vertical shield plate 50 has a marginal edge being scaled as possible so that the crosstalk is better shielded between theupper ports 204 and thelower ports 204. In the present embodiment, the marginal edge extends beyond the marginal edges of theleft PCB 46 and theright PCB 47 in all directions. Thevertical shield plate 50 has anupper edge 501 extending along upwardly beyond a top face of thecontact module 400 and reaching theouter shell housing 200 defines atop slot 201 to receive theupper edge 501 of thevertical shield plate 50. - The
left PCB 46 and theright PCB 47 sandwich opposite sides of thecenter bracket 500. Theleft PCB 46 and theright PCB 47 have interior faces facing to each other and a plurality of electronic components mounted thereon. The leftplastic body 48 defines cavities receiving the electronic components on theleft PCB 46. Theleft PCB 46 defines alower slot 464 opening forwardly and receiving aleft edge 451 of thelower PCB 45. A plurality ofconductive pads 453 are disposed on opposite surface of thelower PCB 45 and lined along theleft edge 451. A corresponding number of conductive pads 466 are disposed along opposite sides of thelower slot 464 on an exterior face of theleft PCB 46. A number of connecting conductors 468 electrically connect theconductive pads 453 of thelower PCB 45 to the conductive pads 466 of theleft PCB 46. The rightplastic body 49 defines cavities receiving the electronic components on theright PCB 47. Theright PCB 47 defines anupper slot 474 opening forwardly and receiving aright edge 431 of theupper PCB 43. A plurality ofconductive pads 433 are disposed on opposite surface of thelower PCB 43 and lined along theleft edge 431. A corresponding number ofconductive pads 476 are disposed along opposite sides of theupper slot 474 on an exterior face of theright PCB 47. A number of connectingconductors 478 electrically connect theconductive pads 433 of theupper PCB 43 to theconductive pads 476 of theright PCB 47. - It is noted that as an alternative embodiment of the present invention, the
upper PCB 45 and theleft PCB 46 are redesigned to be electrically connected, and thelower PCB 43 and theright PCB 47 are redesigned to be electrically connected. - Referring to
FIG. 8 , the transferringmodule 52 comprises a plurality of left transferringcontacts 522 electrically connecting theleft PCB 46 to thehorizontal mother PCB 120, a plurality of right transferringcontacts 524 electrically connecting theright PCB 47 to thehorizontal mother PCB 120, and a bottomplastic body 520 fixing theleft transferring contacts 522 and theright transferring contacts 524. The bottomplastic body 520 defines aslot 526 between theleft transferring contacts 522 and theright transferring contacts 524. Theshield plate 50 extends downwardly through theslot 526 and theground tails 504 continue extending there from. - Referring to
FIGS. 9-11 , the insulatinghousing 200 defines 2×4cavities 204 to form the 2×4 ports of themodular jack 100. The upper row ofcavities 204 and the lower row ofcavities 204 are separated by ahorizontal wall 202. Any adjacent two columns ports are separated by avertical wall 203. The insulatinghousing 200 forms eightslots 206 behind each of thecavities 204. Themating contacts horizontal wall 202. Each of themating contacts arm 420 and a taperedfree end 421. The free ends 421 are received inrespective slots 206. Themating contacts mating contacts smooth surfaces 423 and two punchedsurfaces 424. Each of themating contacts front corners 425 connecting a frontsmooth surface 423 and two punchedsurfaces 424, so that when thecontact module 400 are inserted into the insulatinghousing 200, scratch to thehousing 200 and the chance of damage to themating contacts - Referring to
FIGS. 12-14 , each of the threeshield modules 54 is disposed between twoadjacent contact modules 400. Theshield module 54 comprises avertical shield 548 and aplastic body 55 over molding thevertical shield 548. Thevertical shield 548 extends forwardly beyond theupper mating contacts 43 and thelower mating contacts 45, so that a more complete electrical shielding is formed betweenadjacent contact modules 400. Thevertical shield 548 forms a plurality ofground tails 546 for electrically connecting thehorizontal mother PCB 120. - The
plastic body 55 defines aleft slot 552 and aright slot 553 extending along a front-to-rear direction on opposite side. Theleft slot 552 mates a rib (not shown) of the housing and receives theright edge 431 of theupper PCB 43. Theright slot 553 mates arib 207 of the housing and receives theleft edge 451 of thelower PCB 45. Theshield plate 548 is bent according to the shape of theleft slot 552 and theright slot 553, so that theplastic body 55 could be easier for injection molding. Theplastic body 55 further forms tworibs 556 extending along the front-to-rear direction and oppositely protruding below thecontact modules 400, which helps to fix thecontact modules 400 and provide a press force when themodular jack 100 is mounted onto thePCB 120. - It is to be understood, however, that even though numerous characteristics and advantages of the present invention have been set forth in the foregoing description, together with details of the structure and function of the invention, the disclosure is illustrative only, and changes may be made in detail, especially in matters of shape, size, and arrangement of parts within the principles of the invention to the full extent indicated by the broad general meaning of the terms in which the appended claims are expressed.
Claims (20)
1. A modular jack adapted to be mounted onto a horizontal mother printed circuit board (PCB), comprising:
a housing defining an upper port and a lower port vertically stacked under the upper port; and
a contact module assembled to the housing and comprising:
an upper row of mating contacts extending into the upper port for mating with a modular plug inserted therein,
a horizontal upper PCB bearing the upper row of mating contacts,
a vertical first PCB electrically connecting the upper PCB,
a plurality of first transferring contacts electrically connecting the first PCB to the mother PCB,
a lower row of mating contacts extending into the lower port for mating with another modular plug inserted therein,
a horizontal lower PCB bearing the lower row of mating contacts,
a vertical second PCB electrically connecting the lower PCB, and
a plurality of second transferring contacts electrically connecting the second PCB to the mother PCB.
2. The modular jack according to claim 1 , wherein the first PCB defines an upper horizontal slot, the upper PCB having an edge received in the upper horizontal slot, and wherein the second PCB defines a lower horizontal slot, the lower PCB having an edge received in the lower horizontal slot.
3. The modular jack according to claim 2 , wherein the first PCB has an interior surface on which a plurality of electronic components are mounted and an exterior surface on which a plurality of conductive pads are arranged along the horizontal slot, the conductive pads of the first PCB being electrically connected to the upper PCB.
4. The modular jack according to claim 1 , wherein the contact module further comprises a bracket, the bracket comprising a vertical shield plate, a first plastic body and a second plastic body on opposite sides of the vertical shield plate, the first plastic body supporting the first PCB, the second plastic body supporting the second PCB.
5. The modular jack according to claim 1 , wherein the contact module further comprises a front plastic body holding the upper PCB and the lower PCB.
6. The modular jack according to claim 5 , wherein the contact module further comprises a center bracket supporting the first PCB and the second PCB, the bracket having a front slot receiving the upper PCB, the lower PCB and the front plastic body.
7. The modular jack according to claim 6 , wherein the front slot has a pair of side walls, the side walls have protrusions laterally extending to a front of the first PCB and the second PCB, the protrusions mating with the front plastic body.
8. The modular jack according to claim 1 , wherein the contact module comprises a horizontal shield plate disposed between the upper PCB and the lower PCB, and a vertical shield plate disposed between the first PCB and the second PCB and electrically connecting to the horizontal shield plate.
9. The modular jack according to claim 8 , wherein one of said horizontal plate and said vertical plate defines a slot and the other is clipped in the slot.
10. The modular jack according to claim 8 , wherein the vertical shield plate has a marginal edge beyond the marginal edges of the first PCB and the second PCB in all directions.
11. The modular jack according to claim 8 , wherein the vertical shield plate has a plurality of ground tails extending downwardly for mating with the horizontal mother PCB.
12. The modular jack according to claim 8 , wherein the vertical shield plate has a first arm electrically connecting the first PCB and a second arm electrically connecting the second PCB.
13. The modular jack according to claim 8 , wherein the contact module further comprises a bottom plastic body holding the first transferring contacts and the second transferring contacts, the vertical shield plate downwardly extending through the bottom plastic body.
14. A modular jack adapted to be mounted onto a horizontal mother PCB, comprising:
a housing defining an upper port and a lower port vertically stacked under the upper port; and
a contact module assembled to the housing; the contact module comprising:
an upper row of mating contacts extending into the upper port, a vertical first PCB electrically connecting the upper mating contacts, a plurality of first transferring contacts for electrically connecting the first PCB to the horizontal mother PCB,
a lower row of mating contacts extending into the lower port, a vertical second PCB electrically connecting the lower mating contacts, a plurality of second transferring contacts for electrically connecting the second PCB to the horizontal mother PCB,
a first plastic body supporting the first PCB, a second plastic body supporting the second PCB, and a vertical shield plate sandwiched between the second plastic body and the first plastic body.
15. The modular jack according to claim 14 , further comprising an outer shell covering the housing and the contact module, the outer shell having a top wall, and the vertical shield plate has a top edge approximate the top wall of the outer shell.
16. The modular jack according to claim 14 , further comprising an outer metal shell, and wherein the vertical shield plate forms a pair of projecting tips extending rearward through the outer metal shell, the pair of projecting tips being riveted oppositely for fixing the outer metal shell.
17. A modular jack comprising:
a housing defining plural pairs of upper and lower receiving cavities;
a plurality of contact modules disposed in the housing, each of said contact modules corresponding to each pair of upper and lower receiving cavities, each of said contact modules including an upper horizontal PCB (printed circuit board) and a lower horizontal PCB corresponding to the upper receiving cavity and the lower receiving cavity, a plurality of terminals connected to a front region of each of the upper horizontal PCB and the lower horizontal PCB for mating with respectively corresponding plugs, each of said contact modules further including a pair of vertical PCBs on two lateral sides; wherein
said pair of vertical PCBs electrically and mechanically connect respectively to the corresponding upper horizontal PCB and lower horizontal PCB in a one-to-one condition.
18. The modular jack as claimed in claim 17 , wherein the upper and lower horizontal PCBs connect to the corresponding pair of vertical PCBs directly under condition that one of the horizontal PCB and the corresponding vertical PCB defines a slot into which the other one extends to form a cross-like connection, and conductive pads on the horizontal PCB and those the corresponding vertical PCB around the cross-lie connection are linked with each other.
19. The modular jack as claimed I claim 17 , wherein each contact module further includes around a vertical centerline a vertical shielding plate between the pair of vertical PCBs and mechanically and electrically connecting to the upper and lower horizontal PCBs.
20. The modular jack as claimed in claim 19 , wherein each of said contact module further includes around a horizontal centerline a horizontal shielding plate between the upper and lower horizontal PCBs and mechanically and electrically connecting to the vertical shielding plate.
Priority Applications (1)
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US14/225,416 US9252530B2 (en) | 2011-01-28 | 2014-03-25 | Electrical connector having shielding member |
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CN201010200905.5 | 2010-06-15 | ||
CN201010200905.5A CN102290649B (en) | 2010-06-15 | 2010-06-15 | Electric connector |
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US20110306240A1 true US20110306240A1 (en) | 2011-12-15 |
US8579660B2 US8579660B2 (en) | 2013-11-12 |
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US13/160,557 Active 2032-01-30 US8579660B2 (en) | 2010-06-15 | 2011-06-15 | High speed modular jack |
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CN (1) | CN102290649B (en) |
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Also Published As
Publication number | Publication date |
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CN102290649A (en) | 2011-12-21 |
CN102290649B (en) | 2015-05-06 |
US8579660B2 (en) | 2013-11-12 |
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